*Result*: Advancing Pulmonary Embolism Detection with Integrated Deep Learning Architectures.

Title:
Advancing Pulmonary Embolism Detection with Integrated Deep Learning Architectures.
Authors:
Biret CB; Department of Emergency Medicine, College of Medicine, Inonu University, Malatya, Turkey., Gurbuz S; Department of Emergency Medicine, College of Medicine, Inonu University, Malatya, Turkey., Akbal E; Department of Digital Forensics Engineering, College of Technology, Firat University, Elazig, Turkey., Baygin M; Department of Computer Engineering, College of Engineering, Erzurum Technical University, Erzurum, Turkey., Ekingen E; Republic of Turkey Ministry of Health Antalya Provincial Health Directorate, Antalya, Turkey., Derya S; Department of Emergency Medicine, College of Medicine, Inonu University, Malatya, Turkey., Yıldırım IO; Department of Radiology, College of Medicine, Inonu University, Malatya, Turkey., Sercek I; Department of Digital Forensics Engineering, College of Technology, Firat University, Elazig, Turkey., Dogan S; Department of Digital Forensics Engineering, College of Technology, Firat University, Elazig, Turkey. sdogan@firat.edu.tr., Tuncer T; Department of Digital Forensics Engineering, College of Technology, Firat University, Elazig, Turkey.
Source:
Journal of imaging informatics in medicine [J Imaging Inform Med] 2026 Feb; Vol. 39 (1), pp. 186-201. Date of Electronic Publication: 2025 Apr 25.
Publication Type:
Journal Article
Language:
English
Journal Info:
Publisher: Springer Nature Country of Publication: Switzerland NLM ID: 9918663679206676 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2948-2933 (Electronic) Linking ISSN: 29482925 NLM ISO Abbreviation: J Imaging Inform Med Subsets: MEDLINE
Imprint Name(s):
Original Publication: [Cham, Switzerland] : Springer Nature, [2024]-
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Contributed Indexing:
Keywords: Deep feature engineering; HybridNeXt; INCA; Pulmonary embolism detection; Self-organized model
Entry Date(s):
Date Created: 20250425 Date Completed: 20260219 Latest Revision: 20260222
Update Code:
20260222
PubMed Central ID:
PMC12921004
DOI:
10.1007/s10278-025-01506-6
PMID:
40281216
Database:
MEDLINE

*Further Information*

*The main aim of this study is to introduce a new hybrid deep learning model for biomedical image classification. We propose a novel convolutional neural network (CNN), named HybridNeXt, for detecting pulmonary embolism (PE) from computed tomography (CT) images. To evaluate the HybridNeXt model, we created a new dataset consisting of two classes: (1) PE and (2) control. The HybridNeXt architecture combines different advanced CNN blocks, including MobileNet, ResNet, ConvNeXt, and Swin Transformer. We specifically designed this model to combine the strengths of these well-known CNNs. The architecture also includes stem, downsampling, and output stages. By adjusting the parameters, we developed a lightweight version of HybridNeXt, suitable for clinical use. To further improve the classification performance and demonstrate transfer learning capability, we proposed a deep feature engineering (DFE) method using a multilevel discrete wavelet transform (MDWT). This DFE model has three main phases: (i) feature extraction from raw images and wavelet bands, (ii) feature selection using iterative neighborhood component analysis (INCA), and (iii) classification using a k-nearest neighbors (kNN) classifier. We first trained HybridNeXt on the training images, creating a pretrained HybridNeXt model. Then, using this pretrained model, we extracted features and applied the proposed DFE method for classification. The HybridNeXt model achieved a test accuracy of 90.14%, while our DFE model improved accuracy to 96.35%. Overall, the results confirm that our HybridNeXt architecture is highly accurate and effective for biomedical image classification. The presented HybridNeXt and HybridNeXt-based DFE methods can potentially be applied to other image classification tasks.
(© 2025. The Author(s) under exclusive licence to Society for Imaging Informatics in Medicine.)*

*Declarations. Ethics Approval: This research was approved on ethical grounds by the Non-Invasive Ethics Committee, Inonu University Training and Research Hospital, on October 04, 2023 (2023/3915). Consent to Participate: Informed consent was obtained from all subjects involved in the study. Consent for Publication: All authors have agreed with the final version of the manuscript for publication. Conflict of Interest: The authors declare no competing interests.*